Home / 19,174.06-28,722.80-15,231.99

Finding the Fourth Proportional to 19,174.06, 28,722.80 and 15,231.99

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Solution

The fourth proportional to 19,174.06, 28,722.80 and 15,231.99 is: 22,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.06 : 28,722.80 = 15,231.99 : x
  2. Step 2: Convert to fraction form
    19,174.06/28,722.80 = 15,231.99/x
  3. Step 3: Cross multiply
    19,174.06x = 28,722.80 × 15,231.99
  4. Step 4: Simplify right side
    19,174.06x = 437,505,326.21
  5. Step 5: Solve for x
    x = 437,505,326.21/19,174.06
  6. Step 6: Final answer
    x = 22,817.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.